/* ========================================================================== 
   Variables
   ========================================================================== */

:root {
  /* Colors */
  --color-background: #f5f7fb;
  --color-surface: #ffffff;
  --color-text: #1f2933;
  --color-text-muted: #5f6c80;
  --color-primary: #0f9cf5; /* clean, watery blue */
  --color-primary-soft: #e3f3ff;
  --color-success: #1aa775;
  --color-warning: #ffb020;
  --color-danger: #d64545;

  /* Neutral grays */
  --gray-50: #f9fafb;
  --gray-100: #f2f4f7;
  --gray-200: #e4e7eb;
  --gray-300: #cbd2e1;
  --gray-400: #9aa5b5;
  --gray-500: #7b8794;
  --gray-600: #616e7c;
  --gray-700: #52606d;
  --gray-800: #3e4c59;
  --gray-900: #1f2933;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-sm: 0.25rem; /* 4px */
  --radius-md: 0.5rem;  /* 8px */
  --radius-lg: 0.75rem; /* 12px */
  --radius-xl: 1rem;    /* 16px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 10px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 30px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;

  /* Layout */
  --container-width: 1120px;
  --container-padding-x: 1.5rem;
}

/* ========================================================================== 
   Reset / Normalize
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

h1, h2, h3, h4, h5, h6,
p, figure, blockquote,
dl, dd {
  margin: 0;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding-left: 0;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
}

a {
  color: inherit;
}

/* ========================================================================== 
   Base Styles
   ========================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  min-height: 60vh;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 3vw, var(--font-size-4xl));
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.75rem, 2.5vw, var(--font-size-3xl));
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.5rem, 2vw, var(--font-size-2xl));
  margin-bottom: var(--space-3);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

h6 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

small {
  font-size: var(--font-size-sm);
}

/* Links - clean, modern (no underline by default) */

a {
  text-decoration: none;
  color: var(--color-primary);
  transition: color var(--transition-base);
}

a:hover {
  color: #0b7cc2;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Lists */

ul,
ol {
  padding-left: 1.25rem;
  margin-top: 0;
  margin-bottom: var(--space-3);
}

/* ========================================================================== 
   Accessibility & Motion
   ========================================================================== */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Screen reader only */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================================================== 
   Utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

.section--light {
  background-color: var(--color-background);
}

.section--surface {
  background-color: var(--color-surface);
}

/* Flex helpers */

.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

/* Grid helpers */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

/* Alignment & text utilities */

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-muted {
  color: var(--color-text-muted);
}

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }

.pt-8 { padding-top: var(--space-8); }
.pb-8 { padding-bottom: var(--space-8); }

/* Width */

.w-full { width: 100%; }

/* ========================================================================== 
   Components
   ========================================================================== */

/* Buttons - primary CTAs for booking/зaмów usługę */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-weight: 500;
  font-size: var(--font-size-sm);
  line-height: 1.2;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-primary {
  background: linear-gradient(135deg, #0f9cf5, #57c1ff);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled):not([aria-disabled="true"]) {
  background: linear-gradient(135deg, #0b7cc2, #46a9e3);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled):not([aria-disabled="true"]) {
  background-color: var(--color-primary-soft);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
}

.btn-ghost:hover:not(:disabled):not([aria-disabled="true"]) {
  background-color: var(--gray-100);
}

/* Inputs & forms - for booking / kontakt forms */

input,
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-300);
  background-color: #ffffff;
  color: var(--color-text);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

input::placeholder,
textarea::placeholder {
  color: var(--gray-400);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft), 0 0 0 3px rgba(15, 156, 245, 0.3);
}

input:disabled,
select:disabled,
textarea:disabled {
  background-color: var(--gray-100);
  cursor: not-allowed;
}

label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--gray-800);
}

.form-field {
  margin-bottom: var(--space-4);
}

.form-help {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.form-error {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card - for service tiles, testimonials, FAQ items */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.card--hoverable {
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base),
    border-color var(--transition-base);
}

.card--hoverable:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: rgba(15, 156, 245, 0.25);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: 0.25rem;
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Badges - can be used for plan type / service type labels */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-primary {
  background-color: var(--color-primary-soft);
  color: #0b7cc2;
}

.badge-success {
  background-color: #e3f7f0;
  color: var(--color-success);
}

.badge-muted {
  background-color: var(--gray-100);
  color: var(--gray-700);
}

/* Section titles - for Polish content sections like "O nas", "Usługi", "FAQ" */

.section-title {
  font-size: clamp(1.75rem, 2.4vw, var(--font-size-3xl));
  margin-bottom: var(--space-2);
}

.section-intro {
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
  color: var(--color-text-muted);
}

/* Header & navigation helpers (generic) */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(245, 247, 251, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
  padding: 0.25rem 0;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #0f9cf5, #57c1ff);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  width: 100%;
}

.nav-link[aria-current="page"] {
  color: var(--color-primary);
}

/* Hero layout helpers (for top section with Polish marketing copy) */

.hero {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: var(--space-10);
  align-items: center;
}

@media (max-width: 992px) {
  .hero {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }
}

/* FAQ accordions basic structure */

.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  padding: var(--space-4);
}

.faq-item + .faq-item {
  margin-top: var(--space-3);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 500;
}

.faq-answer {
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* Testimonials base layout */

.testimonial {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.testimonial-quote {
  font-style: italic;
  color: var(--color-text-muted);
}

.testimonial-author {
  margin-top: var(--space-3);
  font-weight: 500;
  color: var(--color-text);
}

.testimonial-meta {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

/* Service area tags */

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-200);
  font-size: var(--font-size-xs);
  color: var(--gray-700);
  background-color: #ffffff;
}

/* Blog preview cards */

.blog-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.blog-card-body {
  padding: var(--space-4);
}

.blog-card-meta {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-bottom: 0.5rem;
}

.blog-card-title {
  font-size: var(--font-size-lg);
  margin-bottom: 0.35rem;
}

.blog-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Footer base styles */

.site-footer {
  background-color: #0b1727;
  color: #e5e7eb;
  padding-top: var(--space-10);
  padding-bottom: var(--space-8);
}

.site-footer a {
  color: #e5e7eb;
}

.site-footer a:hover {
  color: #ffffff;
}

.site-footer small {
  color: #9ca3af;
}